summaryrefslogtreecommitdiff
path: root/package/broadcom-wl/files/lib/wifi/broadcom.sh
blob: abfbfb97858f4a4f70a99bf250476292e0488472 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
append DRIVERS "broadcom"

scan_broadcom() {
	local device="$1"
	local wds
	local adhoc sta apmode
	local adhoc_if sta_if ap_if

	config_get vifs "$device" vifs
	for vif in $vifs; do
		config_get mode "$vif" mode
		case "$mode" in
			adhoc)
				adhoc=1
				adhoc_if="$vif"
			;;
			sta)
				sta=1
				sta_if="$vif"
			;;
			ap)
				apmode=1
				ap_if="${ap_if:+$ap_if }$vif"
			;;
			wds)
				config_get addr "$vif" bssid
				[ -z "$addr" ] || append wds "$addr"
			;;
			*) echo "$device($vif): Invalid mode";;
		esac
	done
	config_set "$device" wds "$wds"

	local _c=
	for vif in ${adhoc_if:-$sta_if $ap_if}; do
		config_set "$vif" ifname "wl0${_c:+.$_c}"
		_c=$((${_c:-0} + 1))
	done
	config_set "$device" vifs "${adhoc_if:-$sta_if $ap_if}"

	ifdown="down"
	for vif in 0 1 2 3; do
		append ifdown "vif $vif" "$N"
		append ifdown "enabled 0" "$N"
	done

	ap=1
	infra=1
	mssid=1
	apsta=0
	radio=1
	case "$adhoc:$sta:$apmode" in
		1*)
			ap=0
			mssid=0
			infra=0
		;;
		:1:1)
			apsta=1
			wet=1
		;;
		:1:)
			wet=1
			ap=0
			mssid=0
		;;
		::)
			radio=0
		;;
	esac
}

disable_broadcom() {
	wlc down
	(
		include /lib/network

		# make sure the interfaces are down and removed from all bridges
		for dev in wl0 wl0.1 wl0.2 wl0.3; do
			ifconfig "$dev" down 2>/dev/null >/dev/null && {
				unbridge "$dev"
			}
		done
	)
	true
}

enable_broadcom() {
	local _c
	config_get channel "$device" channel
	config_get country "$device" country
	config_get maxassoc "$device" maxassoc
	config_get wds "$device" wds
	config_get vifs "$device" vifs
	config_get distance "$device" distance
	config_get slottime "$device" slottime
	config_get rxant "$device" rxant
	config_get txant "$device" txant
	local vif_pre_up vif_post_up vif_do_up

	_c=0
	nas="$(which nas)"
	nas_cmd=
	if_up=

	[ -z "$slottime" ] && {
		[ -n "$distance" ] && {
			# slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
			slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
		}
	} || {
		slottime="${slottime:--1}"
	}

	for vif in $vifs; do
		config_get mode "$vif" mode
		append vif_pre_up "vif $_c" "$N"
		append vif_post_up "vif $_c" "$N"
		
		[ "$mode" = "sta" ] || {
			config_get_bool hidden "$vif" hidden 0
			append vif_pre_up "closed $hidden" "$N"
			config_get_bool isolate "$vif" isolate 0
			append vif_pre_up "ap_isolate $isolate" "$N"
		}

		wsec_r=0
		eap_r=0
		wsec=0
		auth=0
		nasopts=
		config_get enc "$vif" encryption
		case "$enc" in
			WEP|wep)
				wsec_r=1
				wsec=1
				defkey=1
				config_get key "$vif" key
				case "$key" in
					[1234])
						defkey="$key"
						for knr in 1 2 3 4; do
							config_get k "$vif" key$knr
							[ -n "$k" ] || continue
							[ "$defkey" = "$knr" ] && def="=" || def=""
							append vif_pre_up "wepkey $def$knr,$k" "$N"
						done
					;;
					"");;
					*) append vif_pre_up "wepkey =1,$key" "$N";;
				esac
			;;
			*psk*|*PSK*)
				wsec_r=1
				config_get key "$vif" key
				case "$enc" in
					wpa*+wpa2*|WPA*+WPA2*|*psk+*psk2|*PSK+*PSK2) auth=132; wsec=6;;
					wpa2*|WPA2*|*PSK2|*psk2) auth=128; wsec=4;;
					*) auth=4; wsec=2;;
				esac
				eval "${vif}_key=\"\$key\""
				nasopts="-k \"\$${vif}_key\""
			;;
			*wpa*|*WPA*)
				wsec_r=1
				eap_r=1
				config_get key "$vif" key
				config_get server "$vif" server
				config_get port "$vif" port
				case "$enc" in
					wpa*+wpa2*|WPA*+WPA2*) auth=66; wsec=6;;
					wpa2*|WPA2*) auth=64; wsec=4;;
					*) auth=2; wsec=2;;
				esac
				eval "${vif}_key=\"\$key\""
				nasopts="-r \"\$${vif}_key\" -h $server -p $port"
			;;
		esac
		append vif_post_up "wsec $wsec" "$N"
		append vif_post_up "wpa_auth $auth" "$N"
		append vif_post_up "wsec_restrict $wsec_r" "$N"
		append vif_post_up "eap_restrict $eap_r" "$N"
		
		config_get ssid "$vif" ssid
		append vif_post_up "vlan_mode 0" "$N"
		append vif_post_up "ssid $ssid" "$N"
		case "$mode" in
			sta|adhoc) append vif_do_up "ssid $ssid" "$N";;
		esac
		
		append vif_post_up "enabled 1" "$N"
		
		config_get ifname "$vif" ifname
		#append if_up "ifconfig $ifname up" ";$N"
		local net_cfg bridge
		net_cfg="$(find_net_config "$vif")"
		[ -z "$net_cfg" ] || {
			bridge="$(bridge_interface "$net_cfg")"
			append if_up "start_net '$ifname' '$net_cfg'" ";$N"
		}
		[ -z "$nasopts" ] || {
			eval "${vif}_ssid=\"\$ssid\""
			nas_mode="-A"
			use_nas=1
			[ "$mode" = "sta" ] && {
				nas_mode="-S"
				[ -z "$bridge" ] || {
					append vif_pre_up "supplicant 1" "$N"
					append vif_pre_up "passphrase $key" "$N"
					
					use_nas=0
				}
			}
			[ -z "$nas" -o "$use_nas" = "0" ] || nas_cmd="${nas_cmd:+$nas_cmd$N}$nas -P /var/run/nas.$ifname.pid -H 34954 ${bridge:+ -l $bridge} -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 $nasopts &"
		}
		_c=$(($_c + 1))
	done
	killall -KILL nas >&- 2>&-
	wlc stdin <<EOF
$ifdown

ap $ap
mssid $mssid
apsta $apsta
infra $infra
${wet:+wet 1}
802.11d 0
802.11h 0
rxant ${rxant:-3}
txant ${txant:-3}

radio ${radio:-1}
macfilter 0
maclist none
wds ${wds:-none}
${channel:+channel $channel}
country ${country:-IL0}
maxassoc ${maxassoc:-128}
slottime ${slottime:--1}

$vif_pre_up
up
$vif_post_up
EOF
	eval "$if_up"
	wlc stdin <<EOF
$vif_do_up
EOF
	eval "$nas_cmd"
}


detect_broadcom() {
	[ -f /proc/net/wl0 ] || return
	config_get type wl0 type
	[ "$type" = broadcom ] && return
	cat <<EOF
config wifi-device  wl0
	option type     broadcom
	option channel  5

	# REMOVE THIS LINE TO ENABLE WIFI:
	option disabled 1

config wifi-iface
	option device   wl0
	option network	lan
	option mode     ap
	option ssid     OpenWrt
	option encryption none
EOF
}